Placid Preamplifiers

Placid preamplifiers for microphones (sound level meter)

MICROPHONE PREAMPLIFIER
Type PNP21 PNP22 PNP41 PMP40 (mic + preamp)
Diameter 1/2 inch 1/2 inch 1/4 inch 7mm
Frequency Response (Ref: 250 Hz, ±0.2 dB) 5 Hz ~ 100 kHz 5 Hz ~ 100 kHz 5 Hz ~ 100 kHz 5 Hz ~ 100 kHz
Attenuation (10 Hz ~ 100 kHz) < 0.5 dB < 0.5 dB < 0.5 dB < 0.5 dB
Input Impedance > 5 GΩ > 5 GΩ > 1.5 GΩ > 1.5 GΩ
Output Impedance < 110 W < 110 W < 110 W < 110 W
Electrical Noise (self noise) A-weighting  < 2.0 μV

20 Hz ~ 20 kHz < 6.0 μV

A-weighting  < 2.0 μV

20 Hz ~ 20 kHz < 6.0 μV

A-weighting < 2.5 μV

20 Hz ~ 20 kHz < 6.0 μV

A-weighting < 2.5 μV

20 Hz ~ 20 kHz < 6.0 μV

Maximum Output Voltage 8.0 Vrms 8.0 Vrms 8.0 Vrms 6.0 Vrms
Power Requirement ICP (2 ~ 20 mA) ICP (2 ~ 20 mA) ICP (2 ~ 20 mA) ICP (2 ~ 20 mA)
Operating Temperature -40°C ~ 100°C -40°C ~100°C -40°C ~ 100°C -30°C ~ 80°C
Operating Humidity 0 ~ 98% RH 0 ~ 98% RH 0 ~ 98% RH 0 ~ 98% RH
Output Connector BNC SMB SMB SMB
Length (mm) 68 35 58 64
Weight (g) 25.5 14.5 6.5 7.5
Placid Microphones and Preamplifiers

Placid Microphones and Preamplifiers

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